public void Execute(int accountNumber, Amount amount)
{
BeginTransaction();
if (_cashDispenserAppService.IsSufficientCashAvailable(amount))
{
throw new Exception("Not enough money in the banknote dispenser.");
}
_withdrawalService.Execute(accountNumber, amount);
if (!_cashDispenserAppService.DispenseCash(amount))
{
throw new Exception();
}
Commit();
}